STOCK-BASED COMPENSATION - Schedule of Share-based Payment Arrangement, Option, Activity (Details) - Stock options - $ / shares	9 Months Ended
Oct. 31, 2024
Number of Options
Outstanding, beginning of period (in shares)	21,159,850
Assumed options from Attivo acquisition (in shares)	214,976
Exercised (in shares)	(5,671,299)
Forfeited (in shares)	(321,832)
Outstanding, end of period (in shares)	15,381,695
Expected to vest (in shares)	15,381,695
Vested and exercisable, Number (in shares)	12,091,725
Weighted-Average Exercise Price
Outstanding, beginning of period (in USD per share)	$ 5.63
Assumed options from Attivo acquisition (in USD per share)	0.25
Exercised (in USD per share)	4.04
Forfeited (in USD per share)	8.25
Outstanding, end of period (in USD per share)	6.09
Expected to vest (in USD per shares)	6.09
Vested and exercisable, Weighted average (in USD per share)	$ 5.22

Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Acquired In Period

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Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Acquired in Period, Weighted Average Exercise Price

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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